He asked them to come to his office one _____.

The children in some remote areas are looking forward ______ a chance to receive further education.

The two boys share the same hobbies but they are quite different _______ personality.

In face of failure, it’s the most important to _______ a positive state of mind.

I simply couldn’t understand how it _____ that you did so much work within such a short time．

Many students signed up for the _______ race in the sports meeting to be held next week.

His bright tie made him       in the crowd.

The man tried out several means to have those people ______ what he said.

—Here you are at last! What kept you so long?
—Sorry, I’m late. But do you know what great difficulty I have ______ your house.